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connect place-based concentration screens to their exact geography, source vintage, ownership rules, and local-market research needs. a statewide, county, tract, or national screen does not establish a legal geographic market. medians of local hhis are not interchangeable with one national hhi. area-level shares and distributions, ownership and entry histories, local prices and quality, commuting or procurement patterns, capacity, switching, and stable geographic definitions. local officials, researchers, journalists, and community advocates ar-sc-2026-01 the u.s. competition landscape ar-dn-2026-02 housing competition needs local ownership data ar-rb-2026-03 state banking structure, 2015-2025 ar-rb-2026-06 fixed broadband concentration across geographic scales, 2020-2024 ar-rb-2026-07 state individual insurance concentration, 2024 ar-ci-2026-04 geographic concentration screens point in different directions at different scales. ar-ci-2026-05 national fixed-broadband hhi rose while three geographic medians fell.","connectionCount":17}],"connectorNodes":[],"pairs":[{"id":"report:rep-housing-data-gap--topic:geographic-competition","leftId":"report:rep-housing-data-gap","leftLabel":"Housing Competition Needs Local Ownership Data","rightId":"topic:geographic-competition","rightLabel":"Geographic Competition","status":"direct","directEdgeCount":1,"shortestHopCount":1,"alternativeShortestPathCount":0,"primaryPathNodeIds":["report:rep-housing-data-gap","topic:geographic-competition"],"primaryPathEdgeIds":["topic-publication:geographic-competition:AR-DN-2026-02"]}],"sources":[],"rows":[{"id":"topic-publication:geographic-competition:AR-DN-2026-02","layer":"research","relationshipType":"topic_publication","relationshipLabel":"Declared topic membership","fromId":"topic:geographic-competition","fromKind":"topic","fromLabel":"Geographic Competition","fromHref":"/research/topics/geographic-competition","toId":"report:rep-housing-data-gap","toKind":"report","toLabel":"Housing Competition Needs Local Ownership Data","toHref":"/reports/housing-competition-data-gap","evidenceLabel":"Publication theme contract","evidenceDetail":"AR-DN-2026-02, Housing Competition Needs Local Ownership Data, carries the exact Geographic Competition publication-theme membership.","sourceId":null,"sourceUrl":null,"confidenceLevel":"bounded","indicatorId":null,"entityCode":null,"observationCount":null,"firstYear":null,"latestYear":null,"preferredView":null,"sourceIds":null,"guardrail":"A topic-to-publication link records one exact editorial theme membership. 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